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Comparative Evaluation of Deflection and Wave Propagation Nondestructive Testing Methods for Pavements: Implications for Implementation at State and Local Levels (Excerpts)

<p>In New York City, as in other highly urbanized areas, several factors make it too difficult to apply pavement management systems methodology in the traditional way. Two of those factors are: underground utilities and utility cuts; together, they are the two most significant life-limiting factors for NYC pavements. Non-Destructive testing (NDT) techniques such as the Falling Weight Deflectometer (FWD) have been successfully used to evaluate the conditions of rural pavements.

Comparative Evaluation of Deflection and Wave Propagation NDT Methods Pavements-brief

<p>In New York City, as in other highly urbanized areas, a number of factors make it too difficult to apply pavement management systems methodology in the traditional way: the existence of underground utilities and utility cuts. The potential of future patching which affects pavement performance. The fact that more than 70 % of NYC pavements are composite pavements, which are not suited for Non-Destructive Testing (NDT) analysis techniques. The objective of this project is to develop a NDTbased framework to effectively manage urban pavements at the project level.

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